* BAEL-1539 Added list, set and map shuffling code exaamples
* #BAEL-1539 fixed a typo
* #BAEL-1539 refactored sample code, added unit tests
* #BAEL-1539 Added unit tests and example for shuffling with custom randomness
* #BAEL-1539 removed source code and kept only tests as tests are sufficient code sample themselves
* #BAEL-1539 updated map shuffling example to use lambdas
* #BAEL-1539 lambda refactoring
* #BAEL-1539 updated map shuffling logic to shuffle entryset instead of keyset